MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised WordPress upload storage locations and other disposable hosting sites. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://wfca-czech.cz/temp/userfiles/files/kivokeperijekilaxekug.pdf
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/vupawotozujizuki.pdf
- http://metisentry.net/ckfinder/userfiles/files/xejenotunivopavov.pdf
- https://classicandcamper.co.uk/wp-content/plugins/super-forms/uploads/php/files/vvb1ij25l0trlas12pevihprv2/sosivojamiwivadu.pdf
- https://accuratesearch.com/userfiles/file/65477920948.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1608227160799c---satugisubug.pdf
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/bibivugof.pdf
- http://faulkfamilync.com/clients/c/cc/ccb94402b1eed20a0583117be0c0b506/File/zufegori.pdf
- https://pypconsultores.mx/userfiles/file/6379111153.pdf
- http://fairmonteast1975.com/clients/0/01/014dde3c838f86fef2ac1d31a86c415b/File/70383612263.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c26d303a44ee0a1e58c2008474df00b3/benubesatuxug.pdf
- https://eseninternational.com/uploads/files/96184692344.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/dd89ff00112eeda9c6500ccdd00accb9/fowadebakama.pdf
- http://teifsepahan.com/files/file/lixubutox.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/0943120cac77dd33bb86c873a6e8a099/bobizanadapuderut.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9b0078741---gumozepul.pdf
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/40534639315.pdf
- http://arcomproltd.com/userfiles/file/gimukuxop.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fe05e8201---70455675180.pdf
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/7c042f1c2bb8d232484dd80903c30212/mijoxakejizenen.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bfb0005a8---29765584529.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a42c43a3617---raxumonumipeliwakogide.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/076a1925ae93649930ca642a4ca5aee5/sidixekogi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=is+1367+nut+dimension
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013c5e.bindcd58d43850b829a5bd860e6e4ce13b20cd26b43e66308133699adf7024e003f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C5E | 18764 bytes |
font_01_sfnt_off00016ea3.bin209e4d82cf6943834109ef54b5136970f89b814c017dff5e7aeb475f12760178 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EA3 | 10596 bytes |
font_02_sfnt_off00018700.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18700 | 16792 bytes |
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